YHM offers their Phantom Q.D. Mount flash hider for their Sound Suppression Systems. Sound suppressors naturally work as a flash hider, and this Phantom Q.D. Mount will decrease the muzzle flash of your host firearm when the suppressor is not in use.Compatible with all 1.375"-24 HUB capable suppressors utilizing YHM's Phantom Q.D. Adapter (YHM-3060) including their Fat Cat, Turbo T2, Turbo T3, Turbo K, Turbo K-RB, Resonator R2, Resonator RK, Nitro N2O. Also works with legacy .30 caliber suppressors including YHM's Phantom .30, Phantom LT/LTA, Nitro and Resonator genernation 1 suppressors. This flash hider WILL NOT accommodate our Phantom 5.56mm, Phantom 5.56 M2, or Turbo generation 1 Sound Suppressors.Muzzle device length is 2.6". Length added to barrel is 1.993" (on barrels with 0.6" threads).